function viewMenu (id) {
	if (typeof(global) == 'undefined') { global = {}; }
	if (typeof(global['menu_last']) == 'undefined') { global['menu_last'] = 'lunchspecials'; }

	if (global['menu_last']) {
		var section = document.getElementById(global['menu_last']);
		if (section) { section.style.display = 'none'; }
	}

	var section = document.getElementById(id);
	if (section) {
		section.style.display = '';
		global['menu_last'] = id;
	}
}